CVE-2021-23253

Summary

Opera Mini for Android below 53.1 displays URL left-aligned in the address field. This allows a malicious attacker to craft a URL with a long domain name, e.g. www.safe.opera.com.attacker.com. With the URL being left-aligned, the user will only see the front part (e.g. www.safe.opera.com…) The exact amount depends on the phone screen size but the attacker can craft a number of different domains and target different phones. Starting with version 53.1 Opera Mini displays long URLs with the top-level domain label aligned to the right of the address field which mitigates the issue.

Affected Software

Weaknesses

• Address bar spoofing

ADP Enrichment

CVE Program Container

Additional References

• https://security.opera.com/address-bar-spoofing-in-opera-mini-opera-security-advisories/

References

• https://security.opera.com/address-bar-spoofing-in-opera-mini-opera-security-advisories/

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